SMLV vs. PRFZ

Last updated Jun 9, 2026

SMLV (SPDR SSGA US Small Cap Low Volatility Index ETF) and PRFZ (Invesco FTSE RAFI US 1500 Small-Mid ETF) are both exchange-traded funds - SMLV is a Volatility Hedged Equity fund tracking the SSGA US Small Cap Low Volatility Index, while PRFZ is a Small Cap Blend Equities fund tracking the FTSE RAFI US 1500 Small-Mid Index. Both are passively managed. Over the past 10 years, SMLV returned 10.25%/yr vs 11.40%/yr for PRFZ. Their correlation of 0.88 suggests significant overlap in exposure. SMLV charges 0.12%/yr vs 0.39%/yr for PRFZ.

Performance

SMLV vs. PRFZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR SSGA US Small Cap Low Volatility Index ETF (SMLV) and Invesco FTSE RAFI US 1500 Small-Mid ETF (PRFZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SMLV achieves a 14.81% return, which is significantly higher than PRFZ's 11.74% return. Over the past 10 years, SMLV has underperformed PRFZ with an annualized return of 10.25%, while PRFZ has yielded a comparatively higher 11.40% annualized return.

SMLV

• 1D: 0.20%
• 1M: 1.40%
• YTD: 14.81%
• 6M: 15.50%
• 1Y: 23.44%
• 3Y*: 15.62%
• 5Y*: 8.02%
• 10Y*: 10.25%

PRFZ

• 1D: 0.67%
• 1M: -0.33%
• YTD: 11.74%
• 6M: 10.40%
• 1Y: 28.88%
• 3Y*: 16.18%
• 5Y*: 7.48%
• 10Y*: 11.40%

*Multi-year figures are annualized to reflect compound growth (CAGR)

SMLV vs. PRFZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SMLV SPDR SSGA US Small Cap Low Volatility Index ETF	14.81%	5.66%	16.77%	7.52%	-7.69%	27.67%	-1.55%	24.10%	-6.62%	5.68%
PRFZ Invesco FTSE RAFI US 1500 Small-Mid ETF	11.74%	11.26%	12.68%	20.21%	-16.29%	28.26%	11.84%	21.91%	-11.43%	13.82%

Correlation

The correlation between SMLV and PRFZ is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.85
Correlation (3Y) Calculated over the trailing 3-year period	0.88
Correlation (5Y) Calculated over the trailing 5-year period	0.90
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Feb 22, 2013	0.88

The correlation between SMLV and PRFZ has been stable across timeframes, ranging from 0.85 to 0.91 - a consistent structural relationship.

SMLV vs. PRFZ - Sectors Allocation Comparison

Sectors	SMLV	PRFZ
Financial Services	30.5%	13.3%
Industrials	14.3%	16.7%
Real Estate	12.2%	6.7%
Technology	11.2%	20.8%
Consumer Cyclical	8.7%	10.4%
Healthcare	8.7%	16.4%
Consumer Defensive	4.3%	2.5%
Basic Materials	3.2%	3.3%
Utilities	2.9%	1.5%
Communication Services	2.2%	2.7%
Energy	1.8%	5.4%

Return for Risk

SMLV vs. PRFZ — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

SMLV

SMLV Risk / Return Rank: 54
SMLV Sharpe Ratio Rank: 48
SMLV Sortino Ratio Rank: 49
SMLV Omega Ratio Rank: 49
SMLV Calmar Ratio Rank: 70
SMLV Martin Ratio Rank: 55

PRFZ

PRFZ Risk / Return Rank: 55
PRFZ Sharpe Ratio Rank: 52
PRFZ Sortino Ratio Rank: 53
PRFZ Omega Ratio Rank: 48
PRFZ Calmar Ratio Rank: 62
PRFZ Martin Ratio Rank: 60

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

SMLV vs. PRFZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR SSGA US Small Cap Low Volatility Index ETF (SMLV) and Invesco FTSE RAFI US 1500 Small-Mid ETF (PRFZ). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	SMLV	PRFZ	Difference
Sharpe ratio: Return per unit of total volatility	1.50	1.60	-0.10
Sortino ratio: Return per unit of downside risk	2.17	2.31	-0.14
Omega ratio: Gain probability vs. loss probability	1.28	1.27	0.00
Calmar ratio: Return relative to maximum drawdown	3.21	2.79	+0.41
Martin ratio: Return relative to average drawdown	8.78	9.60	-0.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SMLV vs. PRFZ - Sharpe Ratio Comparison

The current SMLV Sharpe Ratio is 1.50, which is comparable to the PRFZ Sharpe Ratio of 1.60. The chart below compares the historical Sharpe Ratios of SMLV and PRFZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	SMLV	PRFZ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.50	1.60	-0.10
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.44	0.35	+0.09
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.51	-0.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.55	0.40	+0.15

Drawdowns

SMLV vs. PRFZ - Drawdown Comparison

The maximum SMLV drawdown since its inception was -42.45%, smaller than the maximum PRFZ drawdown of -62.41%. Use the drawdown chart below to compare losses from any high point for SMLV and PRFZ.

Drawdown Indicators

	SMLV	PRFZ	Difference
Max Drawdown Largest peak-to-trough decline	-42.45%	-62.41%	+19.96%
Max Drawdown (1Y) Largest decline over 1 year	-7.34%	-10.38%	+3.04%
Max Drawdown (3Y) Largest decline over 3 years	-20.40%	-26.54%	+6.14%
Max Drawdown (5Y) Largest decline over 5 years	-20.40%	-26.58%	+6.18%
Max Drawdown (10Y) Largest decline over 10 years	-42.45%	-44.28%	+1.83%
Current Drawdown Current decline from peak	0.00%	-2.27%	+2.27%
Average Drawdown Average peak-to-trough decline	-5.45%	-9.42%	+3.97%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.68%	3.02%	-0.34%

Volatility

SMLV vs. PRFZ - Volatility Comparison

The current volatility for SPDR SSGA US Small Cap Low Volatility Index ETF (SMLV) is 4.09%, while Invesco FTSE RAFI US 1500 Small-Mid ETF (PRFZ) has a volatility of 5.34%. This indicates that SMLV experiences smaller price fluctuations and is considered to be less risky than PRFZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SMLV	PRFZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.09%	5.34%	-1.25%
Volatility (6M) Calculated over the trailing 6-month period	9.92%	12.69%	-2.77%
Volatility (1Y) Calculated over the trailing 1-year period	15.73%	18.16%	-2.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.29%	21.35%	-3.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.96%	22.47%	-1.51%

SMLV vs. PRFZ - Expense Ratio Comparison

SMLV has a 0.12% expense ratio, which is lower than PRFZ's 0.39% expense ratio.

Dividends

SMLV vs. PRFZ - Dividend Comparison

SMLV's dividend yield for the trailing twelve months is around 2.31%, more than PRFZ's 0.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PRFZ Invesco FTSE RAFI US 1500 Small-Mid ETF	0.85%	0.82%	1.45%	1.42%	1.33%	0.93%	0.91%	1.29%	1.37%	0.97%	1.31%	1.39%
SMLV SPDR SSGA US Small Cap Low Volatility Index ETF	2.31%	2.74%	2.68%	2.68%	2.40%	2.12%	2.47%	2.62%	3.15%	7.92%	3.04%	2.63%

Frequently Asked Questions

Can I hold both SMLV and PRFZ in my portfolio?

SMLV and PRFZ have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SMLV or PRFZ?

PRFZ has higher volatility (5.34%) compared to SMLV (4.09%). In terms of maximum drawdown, SMLV dropped -42.45% vs PRFZ's -62.41%.

Which ETF is better, SMLV or PRFZ?

On 10-year performance, PRFZ leads with 11.40% vs 10.25% for SMLV. On fees, SMLV is cheaper at 0.12% per year. On volatility, SMLV has been the lower-risk option at 4.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SMLV or PRFZ?

Over the 10-year period, PRFZ has performed better with a 11.40% return vs 10.25%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SMLV or PRFZ?

SMLV is cheaper with a 0.12% expense ratio, compared with 0.39% for PRFZ.

Which ETF pays a higher dividend yield, SMLV or PRFZ?

SMLV has the higher dividend yield at 2.31%, compared with 0.85% for PRFZ.

What is the main difference between SMLV and PRFZ?

SMLV is categorized as Volatility Hedged Equity, while PRFZ is Small Cap Blend Equities. SMLV tracks SSGA US Small Cap Low Volatility Index, while PRFZ tracks FTSE RAFI US 1500 Small-Mid Index. They also come from different issuers: State Street and Invesco. Their fees differ too: 0.12% for SMLV and 0.39% for PRFZ.

Which has better risk-adjusted returns?

PRFZ currently has the higher Sharpe Ratio (1.60 vs 1.50), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.